MMR immunisation after contact with measles virus.
D002675:Child, Preschool; D004781:Environmental Exposure; D006801:Humans; D007223:Infant; D008297:Male; D008457:Measles / Q000453:epidemiology* / Q000276:immunology / Q000517:prevention & control*; D008459:Measles virus / Q000276:immunology*; D022542:Measles-Mumps-Rubella Vaccine / Q000008:administration & dosage*; D014611:Vaccination / Q000379:methods*
D022542:Measles-Mumps-Rubella Vaccine